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Finding the Fourth Proportional to 71,970.03, 107,958.29 and 22,046.49

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Solution

The fourth proportional to 71,970.03, 107,958.29 and 22,046.49 is: 33,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,970.03 : 107,958.29 = 22,046.49 : x
  2. Step 2: Convert to fraction form
    71,970.03/107,958.29 = 22,046.49/x
  3. Step 3: Cross multiply
    71,970.03x = 107,958.29 × 22,046.49
  4. Step 4: Simplify right side
    71,970.03x = 2,380,101,250.67
  5. Step 5: Solve for x
    x = 2,380,101,250.67/71,970.03
  6. Step 6: Final answer
    x = 33,070.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.